Video game controller thumbstick attachment



FIG. 1 is a top perspective view of a video game controller thumbstick attachment showing the new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a first side elevation view thereof;

FIG. 5 is a second side elevation view thereof; and,

FIG. 6 is a top perspective view thereof showing the video game controller thumbstick attachment positioned on a thumbstick of a video game controller.

The broken lines in the drawings depict environmental structure of the video game controller thumbstick attachment that form no part of the claimed design. 

CLAIM We claim the ornamental design for a video game controller thumbstick attachment, as shown and described. 